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121330243301 = 1916738399839
BaseRepresentation
bin111000011111111011…
…0001001011011100101
3102121011201020222020212
41300333312021123211
53441441020241201
6131423252105205
711523451023521
oct1607766113345
9377151228225
10121330243301
1147501839653
121b621305205
13b597980c97
145c2dc9ad81
153251b6babb
hex1c3fd896e5

121330243301 has 16 divisors (see below), whose sum is σ = 128817561600. Its totient is φ = 113956690608.

The previous prime is 121330243289. The next prime is 121330243319. The reversal of 121330243301 is 103342033121.

It is a cyclic number.

It is not a de Polignac number, because 121330243301 - 210 = 121330242277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121330243351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165340 + ... + 1265178.

It is an arithmetic number, because the mean of its divisors is an integer number (8051097600).

Almost surely, 2121330243301 is an apocalyptic number.

It is an amenable number.

121330243301 is a deficient number, since it is larger than the sum of its proper divisors (7487318299).

121330243301 is a wasteful number, since it uses less digits than its factorization.

121330243301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100408.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 121330243301 its reverse (103342033121), we get a palindrome (224672276422).

The spelling of 121330243301 in words is "one hundred twenty-one billion, three hundred thirty million, two hundred forty-three thousand, three hundred one".

Divisors: 1 19 167 383 3173 7277 63961 99839 1215259 1896941 16673113 38238337 316789147 726528403 6385802279 121330243301